SPEC NOTE: This Guide Specification includes materials and methods for the application of Aqua-Bloc SB
(770-06), a cold applied elastomeric waterproofing membrane system. Typical applications include below grade tunnels, foundations, plaza decks, planters and parking structures preventing the penetration of water under hydrostatic pressure. This specification should be adapted to suit the requirements of individual projects. It is prepared in CSI-NMS three part format and should be included as a separate section under
Division 7-Thermal and Moisture Protection.
PART 1: GENERAL
1.01 Section Includes
A.
B.
The General Conditions, the Supplementary Conditions, the Instructions to Bidders and
Division One General Requirements shall be read in conjunction with and govern this section.
The Specification shall be read as a whole by all parties concerned. Each Section may contain more or less than the complete work of any trade. The Contractor is solely responsible to make clear to the Subcontractors the extent of their work.
1.02 DESCRPTION
A.
Supply labor, materials, plant, tools and equipment to complete the Work as shown on the
Drawings and as specified herein including, but not limited to the following:
1. Foundation Walls (by others),
2. Elastomeric Waterproofing Membrane,
3. Drain Board/Protection Board,
4. Specified Backfill.
1.03 Related Work
A.
B.
C.
D.
Division 2 Site Work]
Division 3 Concrete Structural]
Division 4 Masonry
Division 5 Structural Steel
E.
F
G.
Division 7 Sealants & Flashings
Division 6 Rough Carpentry Thermal
Division 15 Mechanical
1.04 References
A. CAN/CGSB-37.58-M86: Membrane, Elastomeric, Cold Applied Liquid.
1.05 Submittals
A. Prior to commencing the Work, submit copies of manufacturers current certification to ISO.
Membrane, primers, sealants, adhesives and associated auxiliary materials shall be included.
B.
C.
Prior to commencing the Work, submit references clearly indicating that the materials proposed have been installed for not less than five years on projects of similar scope and nature. Submit references for a minimum of ten projects.
Prior to commencing the Work, submit manufacturers complete set of standard details for sheet waterproofing.
1.06 Quality Assurance
A. Perform Work in accordance with the printed requirements of the membrane manufacturer
B.
C.
D. and this specification. Advise designer of any discrepancies prior to commencement of the
Work.
Maintain one copy of manufacturer’s literature on site throughout the execution of the Work.
At the beginning of the Work and at all times during the execution of the Work, allow access to site by the waterproofing membrane manufacturers representative.
Materials used in this Section, including, primers, mastics and membranes, protection boards, composite drainage boards and expansion joint membranes shall be fully compatible and shall
E. be sourced and or produced by one manufacturer.
Submit copies of the membrane manufacturer’s current ISO certification including the manufacturing of the membrane, primer, mastics, adhesives and protection board.
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1.07 Delivery, Storage and Handling
A. Deliver materials to the job site in undamaged and original packaging indicating the name of
B.
C.
D.
E.
F.
G. the manufacturer and product.
Cold applied elastomeric membrane should be stored in closed containers outdoors.
Store membrane at temperature of 40 degrees F and above to facilitate handling.
Membrane contains petroleum solvents and are flammable. Do not use near open flame.
Store role materials horizontally in original packaging.
Store adhesives and primers at temperatures of 40 degrees F and above to facilitate handling.
Keep solvents away from open flame or excessive heat.
1.08 Co-ordination
A.
B.
Ensure continuity of the waterproofing membrane throughout the scope of this section.
Work shall be so scheduled as to provide a watertight seal at the end of each working day on the areas worked upon during the day.
1.09 SITE CONDITONS
A. Environmental Requirements
1. No installation work shall be performed during rainy or inclement weather and on frost
B. or wet covered surfaces.
Protection
1. Provide adequate protection of materials and work of this section from damage by
2.
3.
1.10 ALTERNATES weather backfilling operations and other causes.
Protect work of other trades from damage resulting from work of this section. Make good such damage at own expense to satisfaction of the consultant.
Apply protection board as soon as possible after installation of membrane.
A.
B.
Submit requests for alternates in accordance with Section [XXXXX] - [XXXXX].
Alternate submission format to include:
1. Submit evidence that alternate materials meet or exceed performance characteristics of Product requirements and documentation from an approved independent testing
C.
D.
2.
3. laboratory certifying that the performance of the waterproofing membrane system including drain boards and transition sheets, exceed the requirements of the National
Building Code.
Submit copies of manufacturers’ current ISO certification.
Submit references clearly indicating that the membrane manufacturer has successfully completed projects on a annual basis of similar scope and nature for a minimum of fifteen years.
4. Submit manufacturers’ complete set of standard details for the roofing membrane systems showing a continuous plane of water tightness throughout the building envelope.
Submit requests for alternate to this specification a minimum of fifteen (10) working days prior to tender closing for evaluation. Include a list of 25 projects executed over the past ten
(10) years.
Acceptable alternates will be confirmed by addendum. Substitute materials not approved in writing prior to tender closing shall not be permitted for use on this project.
SPEC NOTE: This Guide Specification includes a standard contractor’s 2 year warranty and manufacturer’s 5 year material warranty. An extended 10 year material warranty (5 + 5) is available for multi-ply systems provided Henry Drain Board systems are installed over the waterproofing membrane in accordance with the manufacturers written instructions.
1.11 WARRANTY
A. For the Work of this Section, the 12 months warranty period prescribed in subsection GC 32.1 of General Conditions “C” is extended to [24 months] [60 months].
B.
C.
Contractor hereby warrants the waterproofing membrane for leak coverage in [accordance with GC24], but for two years.
Waterproofing membrane manufacturer hereby warrants the waterproofing membrane for leak coverage as a result of faulty materials for a period of ten years [five years for single ply without Henry DB Drain Board). Scope of warranty shall include materials required to return the membrane to a watertight condition.
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PART 2: MATERIALS
2.01
MATERIALS
A.
Waterproofing membrane components and accessories must be obtained as a single-source from the membrane manufacturer to ensure total system compatibility and integrity.
1.
Acceptable Manufacturer: Henry Company.
909 N Sepulveda Blvd, Suite 650
El Segundo, CA 90245
(800) 598 7663
Web Site: www.Henry.com
2.02 WATERPROOFING MEMBRANE (Basis-of-Design)
A. Primary waterproofing membrane shall be Aqua-Bloc SB Cold Applied Elastomeric Membrane as manufactured by Henry Inc., a one component elastomeric waterproofing compound having the following characteristics:
1.
Compatible with sheet waterproofing membrane and substrate,
2.
3.
4.
Solids by volume: 60%
Water vapour permeance: 0.05 perms, ASTM E96,
Complies with CGSB 37.58,
2.03 FABRIC REINFORCEMENT
A. Fabric reinforcement shall be Polyester Fabric as supplied by Henry, a polyester reinforcement sheet capable of allowing the membrane to bleed through adequately to provide a monolithic reinforced membrane system.
5.
6.
7.
Elongation: 1500%,
Recovery: 95%
Chemical resistance: Alkalis, calcium chloride, mild acid and salt solutions.
2.03 FLASHING MEMRBANE
A. Flashing membrane shall be modifiedPLUS ® NP180s/s as manufactured by Henry, an SBS modified bitumen membrane having a minimum thickness of 90 mils and a non-woven
B. polyester reinforcement of 180g/m 2 . Product shall be tested in accordance with CGSB 37-GP-
56M Type 2 Class C Grade 2. The upper and lower surface shall be sanded.
Flashing membrane shall be Neoflash and Neoflash adhesive as supplied by Henry, a neoprene type, uncured flashing membrane having a thickness of 60 mils.
2.04 PREFABRICATED DRAIN BOARDS: Two part prefabricated geocomposite drain board consisting of a formed polystyrene or PVC core covered on one side with a woven or non-woven polypropylene filter fabric:
A. Henry DB 220: For vertical and horizontal installations, shallower depths with additional film
B.
C.
C. attached to back side of membrane.
Henry DB 520: For vertical installations requiring high compressive strength and high flow capacity with additional film attached to back side of membrane.
Henry DB 650: For horizontal applications requiring high compressive strength, high flow capacity & woven geotextile. Suitable for use under topping slab in split slab applications.
2. 05 PREFABRICATED DRAIN BOARD ACCESSORIES
A. Securement Bars: Continuous 1/4 inch x 3/4 inch HDPE bar for screw attachment.
B. Moulding Strip: Continuous 3 ½ inch wide ‘Z’ flashing strip to fit over exposed top edge of drain board.
Drain Board Plugs & Nails: HDPE pre-moulded washer to fit dimples c/w high strength, corrosion resistant concrete nails, UCAN AFH 37 or equal.
PART 3: EXECUTION
3.01 CONDITION OF SURFACES
A. Before commencing work, ensure environmental and site conditions are suitable for installation of waterproofing membrane.
B. The substrate shall be clean and dry, free from surface water, ice, snow or frost, dust, dirt, oil, grease, curing compounds or any other foreign matter detrimental to the adhesion of the waterproofing membrane.
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C.
D.
3.02 DECK TO VERTICAL JUNCTURES, CRACKS IN SLAB AND PROTRUSIONS
A. Coat penetrations, such as brackets, clips, braces, etc. that are set into the concrete with a 90 mil coating of elastomeric waterproofing membrane to the height of the wearing course and around projections to ensure a complete seal prior to coating the entire area.
B.
Allow a minimum 14-day cure for new concrete. Ensure concrete is smooth and free from voids and honeycombing prior to application of waterproofing membrane.
Voids, cracks, holes and other damages horizontal or vertical surfaces shall be repaired before application of the membrane.
C.
Penetrations subject to movement should be flashed with polyester fabric set into a minimum thickness of 90 mils to required height on the wall and at least 4 inch on the slab and embed polyester fabric into wet coating.
To all cracks and cold joints less than 1/8 inch apply a coat of elastomeric waterproofing membrane at a minimum thickness of 90 mils and reinforce with polyester fabric.
D.
E.
F.
Polyester Fabric into wet coating.
At non-monolithic wall/slab junctures, apply flashing membrane sheet to the required height on the wall and at least 4 inch on the slab into cold applied adhesive.
3.03 MEMBRANE APPLICATION
A. Single Coat Application
1.
2.
Apply elastomeric waterproofing membrane with a trowel, long handled squeegee, roofing brush or spray. Apply membrane at a rate of 6 gal. U.S./100ft.
2 to provide a minimum wet thickness of 90 mils ensuring no pinholes or blisters.
If pinholes or blisters persist use heavy-duty application.
B.
To all cracks greater than 1/8 inch, apply standard gauge flashing sheet into cold adhesive.
Overlap end joint of sheet a minimum 3 inches.
At monolithic wall/slab junctures, apply elastomeric waterproofing membrane at a minimum thickness of 90 mils to required height on the wall and at least 4 inch on the slab and embed
Heavy Duty Application
1. Apply a coat of elastomeric waterproofing membrane at approximately 3.6 gal.
US/100ft 2 and embed Polyester Fabric into coating ensuring no fish mouths or wrinkles
2. are created and allow to set.
Apply second coat of elastomeric waterproofing membrane at 3.6 gal./100ft.
2 and allow to cure.
3.04 INSTALLATION OF DRAINAGE BOARD (Vertical)
A. Align and hang drainage up to foundation wall. Position bottom edge of drainage board to be in moderate contact with weeping tile system.
B.
D.
E.
F.
Secure drainage board to foundation wall with nails and washers spaced 16 inches o/c horizontally. Install minimum of 2 rows staggered and spaced 6 inches apart and min 6 inches from top edge.
Align and install termination strip along top edge with nails spaced 12 inches o/c and seal with termination sealant.
Align and install moulding strip over completed top edge detail.
Overlap end laps, pull back loose fabric to expose drain core and position core of second panel
G.
H.
I. over the overlap flange of first panel.
Bend drain board to create inside corners and cut board to create outside corners, provide 3 inches of extra fabric to wrap corner.
Stagger or offset joints of drain board sheets.
Place all subsequent sheets in an overlapping single fashion.
J.
A.
Backfill bottom edge in conjunction with weeping tile system.
3.05 INSTALLATION OF DRAINAGE BOARD (Horizontal)
Loose lay boards starting an low point of roof, the edge of the core flange shall be at the higher edges of the substrate, away from drains.
B.
C.
D.
E.
Overlap in the direction of water flow. Pull back loose fabric to expose drain core and position core of second panel over the overlap flange of first panel.
Bend drain board to create inside corners and cut board to create outside corners, provide 3 inches of extra fabric to wrap corner.
Stagger or offset joints of drain board sheets.
Place all subsequent sheets in an overlapping single fashion.
PROJECT NAME SECTION 07 14 16 - 4 FLUID APPLIED WATERPROOFING

3.06 CURING AND PROTECTION:
A.
Allow membrane to dry thoroughly. Protect from rain until fully cured. Allow membrane to fully
B.
cure prior to installing protection board, drainage composite or backfilling. Patch or repair damaged areas using same material as original coating.
Protect cured membrane from damage caused by backfilling by using Drainage Composite prior to commencing backfill.
3.07 CLEAN-UP
A. Promptly as the work proceeds and on completion clean up and remove from site all rubbish and surplus materials resulting from the foregoing work.
3.08 PROTECTION
A. Damp substrates must not be inhibited from drying out. Do not expose the backside of the
B. substrate to moisture or rain.
Cap and protect exposed back-up walls against wet weather conditions during and after application of membrane. Drying time varies depending on temperature and relative humidity.
Protect waterproofing Work against wet weather conditions for a minimum of 24 hours.
Primary waterproofing membrane is designed for permanent exposure.
Backfill with specified materials, protect membrane from damage.
C.
D.
END OF SECTION
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